release 2.0.8

.github/CODEOWNERS

@@ -1 +1 @@
-* @baywet @ddyett @MichaelMainer @nikithauc @zengin 
+* @baywet @ddyett @MichaelMainer @nikithauc @zengin @ramsessanchez

android/build.gradle

@@ -23,13 +23,13 @@ apply plugin: "com.android.library"
 apply plugin: "com.github.ben-manes.versions"
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
 
     defaultConfig {
         versionCode 1
         versionName "1.0"
         minSdkVersion 26
-        targetSdkVersion 30
+        targetSdkVersion 31
     }
 
     buildTypes {

gradle.properties

@@ -25,7 +25,7 @@ mavenGroupId         = com.microsoft.graph
 mavenArtifactId      = microsoft-graph-core
 mavenMajorVersion    = 2
 mavenMinorVersion    = 0
-mavenPatchVersion    = 7
+mavenPatchVersion    = 8
 mavenArtifactSuffix = 
 
 #These values are used to run functional tests

gradle/dependencies.gradle

@@ -2,12 +2,12 @@ dependencies {
     // Use JUnit test framework
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.7.2'
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.7.2'
-    testImplementation 'org.mockito:mockito-inline:3.11.1'
+    testImplementation 'org.mockito:mockito-inline:3.11.2'
 
     api 'com.squareup.okhttp3:okhttp:4.9.1'
 
     implementation 'com.google.guava:guava:30.1.1-jre'
 
     implementation 'com.google.code.gson:gson:2.8.7'
-    api 'com.azure:azure-core:1.17.0'
+    api 'com.azure:azure-core:1.18.0'
 }

pom.xml

@@ -8,7 +8,7 @@
 
     <groupId>com.microsoft.graph</groupId>
     <artifactId>microsoft-graph-core</artifactId>
-    <version>2.0.2</version>
+    <version>2.0.8</version>
     <packaging>pom</packaging>
 
     <properties>
@@ -35,7 +35,7 @@
         <dependency>
             <groupId>com.azure</groupId>
             <artifactId>azure-core</artifactId>
-            <version>1.17.0</version>
+            <version>1.18.0</version>
         </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
@@ -46,8 +46,8 @@
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-inline</artifactId>
-            <version>3.11.1</version>
+            <version>3.11.2</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
-</project>
+</project>

readme.md

@@ -22,7 +22,7 @@ repositories {
 
 dependencies {
     // Include the sdk as a dependency
-    implementation 'com.microsoft.graph:microsoft-graph-core:2.0.7'
+    implementation 'com.microsoft.graph:microsoft-graph-core:2.0.8'
     // This dependency is only needed if you are using the TokenCrendentialAuthProvider
     implementation 'com.azure:azure-identity:1.3.1'
 }
@@ -37,7 +37,7 @@ Add the dependency in `dependencies` in pom.xml
     <!-- Include the sdk as a dependency -->
     <groupId>com.microsoft.graph</groupId>
     <artifactId>microsoft-graph-core</artifactId>
-    <version>2.0.7</version>
+    <version>2.0.8</version>
     <!-- This dependency is only needed if you are using the TokenCrendentialAuthProvider -->
     <groupId>com.azure</groupId>
     <artifactId>azure-identity</artifactId>

src/main/java/com/microsoft/graph/http/CoreHttpProvider.java

@@ -296,7 +296,15 @@ public <Result, Body> Request getHttpRequest(@Nonnull final IHttpRequest request
 			}
 		} else {
 			logger.logDebug("Sending " + serializable.getClass().getName() + " as request body");
-			final String serializeObject = serializer.serializeObject(serializable);
+
+			String serializeObject = null;
+
+			if ("text/plain".equals(contenttype) && serializable instanceof String) {
+				serializeObject = (String)serializable;
+			} else {
+				serializeObject = serializer.serializeObject(serializable);
+			}
+
             if(serializeObject == null) {
                 throw new ClientException("Error during serialization of request body, the result was null", null);
             }

src/main/java/com/microsoft/graph/httpcore/TelemetryHandler.java

@@ -24,7 +24,7 @@ public class TelemetryHandler implements Interceptor{
     /**
      * Current SDK version
      */
-    public static final String VERSION = "v2.0.7";
+    public static final String VERSION = "v2.0.8";
     /**
      * Verion prefix
      */

src/main/java/com/microsoft/graph/serializer/CollectionPageSerializer.java

@@ -24,7 +24,6 @@
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Type;
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
 
@@ -112,7 +111,7 @@ public static <T1, T2 extends BaseRequestBuilder<T1>> BaseCollectionPage<T1, T2>
             final Class<?> responseClass = Class.forName(responseClassCanonicalName);
             final JsonObject responseJson = new JsonObject();
             responseJson.add("value", json);
-            final BaseCollectionResponse<T1> response = CollectionResponseSerializer.deserialize(responseJson, responseClass, logger);
+            final BaseCollectionResponse<T1> response = CollectionResponseDeserializer.deserialize(responseJson, responseClass, logger);
             /** eg: com.microsoft.graph.requests.AttachmentCollectionRequestBuilder */
             final String responseBuilderCanonicalName = responseClassCanonicalName
                         .substring(0, responseClassCanonicalName.length() - responseLength) + "RequestBuilder";

src/main/java/com/microsoft/graph/serializer/CollectionResponseSerializer.java → src/main/java/com/microsoft/graph/serializer/CollectionResponseDeserializer.java

@@ -37,13 +37,13 @@
 import com.microsoft.graph.http.BaseCollectionResponse;
 import com.microsoft.graph.logger.ILogger;
 
-/** Specialized serializer to handle collection responses */
-public class CollectionResponseSerializer {
+/** Specialized de-serializer to handle collection responses */
+public class CollectionResponseDeserializer {
     private static DefaultSerializer serializer;
     /**
      * Not available for instantiation
      */
-    private CollectionResponseSerializer() {}
+    private CollectionResponseDeserializer() {}
     /**
      * Deserializes the JsonElement
      *
@@ -86,15 +86,7 @@ public static <T1> BaseCollectionResponse<T1> deserialize(@Nonnull final JsonEle
             for(JsonElement sourceElement : sourceArray) {
                 if(sourceElement.isJsonObject()) {
                     final JsonObject sourceObject = sourceElement.getAsJsonObject();
-                    Class<?> entityClass = serializer.getDerivedClass(sourceObject, baseEntityClass);
-                    if(entityClass == null) {
-                        if(baseEntityClass == null) {
-                            logger.logError("Could not find target class for object " + sourceObject.toString(), null);
-                            continue;
-                        } else
-                            entityClass = baseEntityClass; // it is possible the odata type is absent or we can't find the derived type (not in SDK yet)
-                    }
-                    final T1 targetObject = (T1)serializer.deserializeObject(sourceObject, entityClass);
+                    final T1 targetObject = (T1)serializer.deserializeObject(sourceObject, baseEntityClass);
                     ((IJsonBackedObject)targetObject).setRawObject(serializer, sourceObject);
                     list.add(targetObject);
                 } else if (sourceElement.isJsonPrimitive()) {

src/main/java/com/microsoft/graph/serializer/DefaultSerializer.java

@@ -22,12 +22,10 @@
 
 package com.microsoft.graph.serializer;
 
-import com.google.common.base.CaseFormat;
 import com.google.gson.Gson;
 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
-
 import com.microsoft.graph.logger.ILogger;
 
 import java.io.IOException;
@@ -38,38 +36,55 @@
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
-import java.util.Objects;
 import java.util.Map.Entry;
-
+import java.util.Objects;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
 /**
  * The default serializer implementation for the SDK
  */
 public class DefaultSerializer implements ISerializer {
-	private static final String graphResponseHeadersKey = "graphResponseHeaders";
+
+	private static final String GRAPH_RESPONSE_HEADERS_KEY = "graphResponseHeaders";
+
+    /**
+     * The logger
+     */
+    private final ILogger logger;
 
 	/**
 	 * The instance of the internal serializer
 	 */
 	private final Gson gson;
 
-	/**
-	 * The logger
-	 */
-	private final ILogger logger;
 
 	/**
 	 * Creates a DefaultSerializer
 	 *
 	 * @param logger the logger
 	 */
 	public DefaultSerializer(@Nonnull final ILogger logger) {
-		this.logger = Objects.requireNonNull(logger, "parameter logger cannot be null");
-		this.gson = GsonFactory.getGsonInstance(logger);
+		this(logger, false);
 	}
 
+
+    /**
+     * Creates a DefaultSerializer with an option to enable serializing of the null values.
+     *
+     * Serializing of null values can have side effects on the service behavior.
+     * Sending null values in a PATCH request might reset existing values on the service side.
+     * Sending null values in a POST request might prevent the service from assigning default values to the properties.
+     * It is not recommended to send null values to the service in general and this setting should only be used when serializing information for a local store.
+     *
+     * @param logger         the logger
+     * @param serializeNulls the setting of whether or not to serialize the null values in the JSON object
+     */
+    public DefaultSerializer(@Nonnull final ILogger logger, @Nonnull final boolean serializeNulls) {
+        this.logger = Objects.requireNonNull(logger, "parameter logger cannot be null");
+        this.gson = GsonFactory.getGsonInstance(logger, serializeNulls);
+    }
+
 	@Override
 	@Nullable
 	public <T> T deserializeObject(@Nonnull final String inputString, @Nonnull final Class<T> clazz, @Nullable final Map<String, List<String>> responseHeaders) {
@@ -104,16 +119,7 @@ public <T> T deserializeObject(@Nonnull final JsonElement rawElement, @Nonnull f
 		if (jsonObject instanceof IJsonBackedObject) {
 			logger.logDebug("Deserializing type " + clazz.getSimpleName());
 			final JsonObject rawObject = rawElement.isJsonObject() ? rawElement.getAsJsonObject() : null;
-
-			// If there is a derived class, try to get it and deserialize to it
-			T jo = jsonObject;
-			if (rawElement.isJsonObject()) {
-				final Class<?> derivedClass = this.getDerivedClass(rawObject, clazz);
-				if (derivedClass != null)
-					jo = (T) gson.fromJson(rawElement, derivedClass);
-			}
-
-			final IJsonBackedObject jsonBackedObject = (IJsonBackedObject) jo;
+			final IJsonBackedObject jsonBackedObject = (IJsonBackedObject) jsonObject;
 
 			if(rawElement.isJsonObject()) {
 				jsonBackedObject.setRawObject(this, rawObject);
@@ -123,9 +129,9 @@ public <T> T deserializeObject(@Nonnull final JsonElement rawElement, @Nonnull f
 
 			if (responseHeaders != null) {
 				JsonElement convertedHeaders = gson.toJsonTree(responseHeaders);
-				jsonBackedObject.additionalDataManager().put(graphResponseHeadersKey, convertedHeaders);
+				jsonBackedObject.additionalDataManager().put(GRAPH_RESPONSE_HEADERS_KEY, convertedHeaders);
 			}
-			return jo;
+			return jsonObject;
 		} else {
 			logger.logDebug("Deserializing a non-IJsonBackedObject type " + clazz.getSimpleName());
 			return jsonObject;
@@ -304,52 +310,12 @@ private void addAdditionalDataFromJsonObjectToJson (final Object item, final Jso
 	 */
 	private void addAdditionalDataFromManagerToJson(AdditionalDataManager additionalDataManager, JsonObject jsonNode) {
 		for (Map.Entry<String, JsonElement> entry : additionalDataManager.entrySet()) {
-			if(!entry.getKey().equals(graphResponseHeadersKey)) {
+			if(!entry.getKey().equals(GRAPH_RESPONSE_HEADERS_KEY)) {
 				jsonNode.add(entry.getKey(), entry.getValue());
 			}
 		}
 	}
 
-	private final static String ODATA_TYPE_KEY = "@odata.type";
-	/**
-	 * Get the derived class for the given JSON object
-	 * This covers scenarios in which the service may return one of several derived types
-	 * of a base object, which it defines using the odata.type parameter
-	 *
-	 * @param jsonObject  the raw JSON object of the response
-	 * @param parentClass the parent class the derived class should inherit from
-	 * @return			the derived class if found, or null if not applicable
-	 */
-	@Nullable
-	public Class<?> getDerivedClass(@Nonnull final JsonObject jsonObject, @Nullable final Class<?> parentClass) {
-        Objects.requireNonNull(jsonObject, "parameter jsonObject cannot be null");
-		//Identify the odata.type information if provided
-		if (jsonObject.get(ODATA_TYPE_KEY) != null) {
-			/** #microsoft.graph.user or #microsoft.graph.callrecords.callrecord */
-			final String odataType = jsonObject.get(ODATA_TYPE_KEY).getAsString();
-			final int lastDotIndex = odataType.lastIndexOf(".");
-			final String derivedType = (odataType.substring(0, lastDotIndex) +
-											".models." +
-											CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_CAMEL,
-																		odataType.substring(lastDotIndex + 1)))
-										.replace("#", "com.");
-			try {
-				Class<?> derivedClass = Class.forName(derivedType);
-				//Check that the derived class inherits from the given parent class
-				if (parentClass == null || parentClass.isAssignableFrom(derivedClass)) {
-					return derivedClass;
-				}
-				return null;
-			} catch (ClassNotFoundException e) {
-				logger.logDebug("Unable to find a corresponding class for derived type " + derivedType + ". Falling back to parent class.");
-				//If we cannot determine the derived type to cast to, return null
-				//This may happen if the API and the SDK are out of sync
-				return null;
-			}
-		}
-		//If there is no defined OData type, return null
-		return null;
-	}
 
 	/**
 	 * Gets the logger in use

src/main/java/com/microsoft/graph/serializer/DerivedClassIdentifier.java

@@ -0,0 +1,64 @@
+package com.microsoft.graph.serializer;
+
+import com.google.common.base.CaseFormat;
+import com.google.gson.JsonObject;
+import com.microsoft.graph.logger.ILogger;
+
+import java.util.Objects;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+/** This class provides methods to get the derived class corresponding to the OData type when deserializing payloads. */
+public class DerivedClassIdentifier {
+
+    private final static String ODATA_TYPE_KEY = "@odata.type";
+
+    private final ILogger logger;
+    /**
+     * Creates a new instance of the dereived class identifier.
+     * @param logger The logger to use.
+     */
+    public DerivedClassIdentifier(@Nonnull ILogger logger) {
+        this.logger = Objects.requireNonNull(logger, "logger parameter cannot be null");;
+    }
+
+    /**
+     * Get the derived class for the given JSON object
+     * This covers scenarios in which the service may return one of several derived types
+     * of a base object, which it defines using the odata.type parameter
+     *
+     * @param jsonObject  the raw JSON object of the response
+     * @param parentClass the parent class the derived class should inherit from
+     * @return			the derived class if found, or null if not applicable
+     */
+    @Nullable
+    public Class<?> identify(@Nonnull final JsonObject jsonObject, @Nullable final Class<?> parentClass) {
+        Objects.requireNonNull(jsonObject, "parameter jsonObject cannot be null");
+        //Identify the odata.type information if provided
+        if (jsonObject.get(ODATA_TYPE_KEY) != null) {
+            /** #microsoft.graph.user or #microsoft.graph.callrecords.callrecord */
+            final String odataType = jsonObject.get(ODATA_TYPE_KEY).getAsString();
+            final int lastDotIndex = odataType.lastIndexOf(".");
+            final String derivedType = (odataType.substring(0, lastDotIndex) +
+                ".models." +
+                CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_CAMEL,
+                    odataType.substring(lastDotIndex + 1)))
+                .replace("#", "com.");
+            try {
+                Class<?> derivedClass = Class.forName(derivedType);
+                //Check that the derived class inherits from the given parent class
+                if (parentClass == null || parentClass.isAssignableFrom(derivedClass)) {
+                    return derivedClass;
+                }
+                return null;
+            } catch (ClassNotFoundException e) {
+                logger.logDebug("Unable to find a corresponding class for derived type " + derivedType + ". Falling back to parent class.");
+                //If we cannot determine the derived type to cast to, return null
+                //This may happen if the API and the SDK are out of sync
+                return null;
+            }
+        }
+        //If there is no defined OData type, return null
+        return null;
+    }
+}